As mars revolves around the sun, it travels at a rate of approximately 6 miles per second. convert this rate to kilometers per second. at this rate, how many kilometers will mars travel in 5 seconds? assume that 1 mile is equal to 1.6 kilometers. don't round your answer

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Which expression is equivalent to 2x^2+7x+4?

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer